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A Maxima ran rough after a separate heat event

A 1997 Maxima first had a cylinder-two ignition fault, which the owner said was resolved by replacing a coil.

September 26, 20263 min read

A 1997 Maxima first had a cylinder-two ignition fault, which the owner said was resolved by replacing a coil. A day later the car ran hotter on the highway; on a later drive it began shaking badly at idle despite no new warning light or stored code.

What the report actually shows

The owner reported full oil and coolant, operating radiator fans and no obvious smoke or leak. Those observations do not establish whether the heat event and the rough idle share a cause.

Reported outcome

The discussion did not establish a confirmed repair for the new rough idle.

What to take from this case

Keep the events in chronological order. Recheck the ignition fault and record temperature and misfire data under the exact conditions before assuming one failure caused the others.

This is a reported experience and an educational reading of its evidence, not a diagnosis for another vehicle. The original discussion is linked below; AI4Car has not independently inspected the vehicle.

Sources and further reading

Community discussion · outcome not verified

For information, not a diagnosis or repair instruction. A reported result may not apply to your car. Consult the manufacturer's guidance and a qualified technician.

How to use this information

This is an editorial interpretation of a public discussion. Replies, votes and an accepted answer do not prove a diagnosis. An author-reported finding or repair has not been independently verified by AI4Car. Illustrations are conceptual. Read the content limitations.

Content and reuse

An AI-assisted educational explanation prepared for AI4Car. References provide factual context; linking to a publication does not grant a license to its text or images or imply its author’s endorsement. No Creative Commons license is asserted for those third-party materials.

Illustration: AI-generated for AI4Car; a generic conceptual view, not a photograph of the reported vehicle or a manufacturer’s diagram. Content and licensing policy.

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A Maxima ran rough after a separate heat event | AI4Car